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<title>SWM34S_LVGL7.11_SWMUI: C:/Users/DELL/Desktop/Commit/lvgl/SWM34S_LVGL7.11_SWMUI_20230515/APP/Common Module/load_mv.h 文件参考</title>
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<li class="navelem"><a class="el" href="dir_0ca16891106f5a3e9ad635a0d6c5f98f.html">APP</a></li><li class="navelem"><a class="el" href="dir_df4e0e4e72f77ab290fd1a24f190250a.html">Common Module</a></li>  </ul>
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<a href="#enum-members">枚举</a> &#124;
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  <div class="headertitle"><div class="title">load_mv.h 文件参考</div></div>
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<p>播放 avi / wav 音视频  
<a href="#details">更多...</a></p>
<div class="textblock"><code>#include &quot;SWM341.h&quot;</code><br />
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load_mv.h 的引用(Include)关系图:</div>
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<p><a href="load__mv_8h_source.html">浏览源代码.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
枚举</h2></td></tr>
<tr class="memitem:ab9806189ae8983878b4853db01912f47"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a> { <a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47a007207a8bae3c327ad4531fa3e5fac93">LAYER_1_GUI</a> = LCD_LAYER_1
, <a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47a385d7e8b722132d2e22f31b06e30be97">LAYER_2_VIDEO</a> = LCD_LAYER_2
 }</td></tr>
<tr class="memdesc:ab9806189ae8983878b4853db01912f47"><td class="mdescLeft">&#160;</td><td class="mdescRight">显示图层枚举(详见 swm341_lcd.h)  <a href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">更多...</a><br /></td></tr>
<tr class="separator:ab9806189ae8983878b4853db01912f47"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
函数</h2></td></tr>
<tr class="memitem:a4baf0d2c0d6e1fea0ddb9867c9747f8b"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a4baf0d2c0d6e1fea0ddb9867c9747f8b">mv_task_handler</a> (void)</td></tr>
<tr class="memdesc:a4baf0d2c0d6e1fea0ddb9867c9747f8b"><td class="mdescLeft">&#160;</td><td class="mdescRight">音视频任务处理  <a href="load__mv_8h.html#a4baf0d2c0d6e1fea0ddb9867c9747f8b">更多...</a><br /></td></tr>
<tr class="separator:a4baf0d2c0d6e1fea0ddb9867c9747f8b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab03d657977c16952b0a16e589fbd6e71"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#ab03d657977c16952b0a16e589fbd6e71">mv_task_over</a> (void)</td></tr>
<tr class="memdesc:ab03d657977c16952b0a16e589fbd6e71"><td class="mdescLeft">&#160;</td><td class="mdescRight">结束播放, 释放所占用的资源  <a href="load__mv_8h.html#ab03d657977c16952b0a16e589fbd6e71">更多...</a><br /></td></tr>
<tr class="separator:ab03d657977c16952b0a16e589fbd6e71"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7dd8d59698dc593d41250fc09a0ae5a5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a7dd8d59698dc593d41250fc09a0ae5a5">mv_task_init</a> (const char *file_path)</td></tr>
<tr class="memdesc:a7dd8d59698dc593d41250fc09a0ae5a5"><td class="mdescLeft">&#160;</td><td class="mdescRight">打开源文件启动播放  <a href="load__mv_8h.html#a7dd8d59698dc593d41250fc09a0ae5a5">更多...</a><br /></td></tr>
<tr class="separator:a7dd8d59698dc593d41250fc09a0ae5a5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2877cfdf885996dd8831a2a37660352d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a2877cfdf885996dd8831a2a37660352d">mv_task_pause</a> (void)</td></tr>
<tr class="memdesc:a2877cfdf885996dd8831a2a37660352d"><td class="mdescLeft">&#160;</td><td class="mdescRight">暂停播放  <a href="load__mv_8h.html#a2877cfdf885996dd8831a2a37660352d">更多...</a><br /></td></tr>
<tr class="separator:a2877cfdf885996dd8831a2a37660352d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a913dfd46ff07efd13423f77b143fd156"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a913dfd46ff07efd13423f77b143fd156">mv_task_resume</a> (void)</td></tr>
<tr class="memdesc:a913dfd46ff07efd13423f77b143fd156"><td class="mdescLeft">&#160;</td><td class="mdescRight">恢复播放  <a href="load__mv_8h.html#a913dfd46ff07efd13423f77b143fd156">更多...</a><br /></td></tr>
<tr class="separator:a913dfd46ff07efd13423f77b143fd156"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9cbedc9a40c34ca836f988cc88f5640f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a9cbedc9a40c34ca836f988cc88f5640f">lcd_set_alpha</a> (<a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a> lcd_layer, uint8_t alpha)</td></tr>
<tr class="memdesc:a9cbedc9a40c34ca836f988cc88f5640f"><td class="mdescLeft">&#160;</td><td class="mdescRight">设置图层透明度  <a href="load__mv_8h.html#a9cbedc9a40c34ca836f988cc88f5640f">更多...</a><br /></td></tr>
<tr class="separator:a9cbedc9a40c34ca836f988cc88f5640f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6be0f2908cc5e6f47baae4138c8be510"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a6be0f2908cc5e6f47baae4138c8be510">lcd_set_color_key</a> (<a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a> lcd_layer, uint8_t color_key_enable, uint32_t rgb)</td></tr>
<tr class="memdesc:a6be0f2908cc5e6f47baae4138c8be510"><td class="mdescLeft">&#160;</td><td class="mdescRight">设置图层色键控  <a href="load__mv_8h.html#a6be0f2908cc5e6f47baae4138c8be510">更多...</a><br /></td></tr>
<tr class="separator:a6be0f2908cc5e6f47baae4138c8be510"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a26fdaf5976717811bbc2342599b1da4b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a26fdaf5976717811bbc2342599b1da4b">video_outset_format</a> (uint8_t format, uint8_t rgb565_dither)</td></tr>
<tr class="memdesc:a26fdaf5976717811bbc2342599b1da4b"><td class="mdescLeft">&#160;</td><td class="mdescRight">设置视频解码输出格式  <a href="load__mv_8h.html#a26fdaf5976717811bbc2342599b1da4b">更多...</a><br /></td></tr>
<tr class="separator:a26fdaf5976717811bbc2342599b1da4b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a319fc11a86458ae8f312ba52f686483c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a319fc11a86458ae8f312ba52f686483c">video_set_post</a> (<a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a> lcd_layer, uint16_t xs, uint16_t ys)</td></tr>
<tr class="memdesc:a319fc11a86458ae8f312ba52f686483c"><td class="mdescLeft">&#160;</td><td class="mdescRight">设置视频播放显示区域  <a href="load__mv_8h.html#a319fc11a86458ae8f312ba52f686483c">更多...</a><br /></td></tr>
<tr class="separator:a319fc11a86458ae8f312ba52f686483c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3ff08970bdf7f8e28122786eac11d6d3"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#a3ff08970bdf7f8e28122786eac11d6d3">video_set_loop</a> (const uint32_t times, const uint32_t max)</td></tr>
<tr class="memdesc:a3ff08970bdf7f8e28122786eac11d6d3"><td class="mdescLeft">&#160;</td><td class="mdescRight">设置视频循环播放次数  <a href="load__mv_8h.html#a3ff08970bdf7f8e28122786eac11d6d3">更多...</a><br /></td></tr>
<tr class="separator:a3ff08970bdf7f8e28122786eac11d6d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abe5464036c09e633ce1a409d40e11164"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#abe5464036c09e633ce1a409d40e11164">video_get_loop</a> (uint32_t *times, uint32_t *max)</td></tr>
<tr class="memdesc:abe5464036c09e633ce1a409d40e11164"><td class="mdescLeft">&#160;</td><td class="mdescRight">获取视频循环播放次数  <a href="load__mv_8h.html#abe5464036c09e633ce1a409d40e11164">更多...</a><br /></td></tr>
<tr class="separator:abe5464036c09e633ce1a409d40e11164"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab3b1a7d6c03074968fcdfa784fe8fe14"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="load__mv_8h.html#ab3b1a7d6c03074968fcdfa784fe8fe14">video_center_with_tp</a> (uint16_t x, uint16_t y)</td></tr>
<tr class="memdesc:ab3b1a7d6c03074968fcdfa784fe8fe14"><td class="mdescLeft">&#160;</td><td class="mdescRight">视频中心跟随触摸移动  <a href="load__mv_8h.html#ab3b1a7d6c03074968fcdfa784fe8fe14">更多...</a><br /></td></tr>
<tr class="separator:ab3b1a7d6c03074968fcdfa784fe8fe14"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
<div class="textblock"><p >播放 avi / wav 音视频 </p>
<p >/ </p><dl class="section since"><dt>自从</dt><dd>Change Logs: Date Author Notes 2022-12-08 lzh the first version </dd></dl>
<dl class="section remark"><dt>备注</dt><dd><br  />
 本模块涉及 SDRAM 动态分配/释放, 为提高使用效率方便管理, 声明引用 mem_sdram 模块, 用户也可自行实现 sdram_malloc/free 接口</dd></dl>
<p>本模块高度依赖于 FATFS 开源组件实现, 移植本模块请附带先移植 FATFS 组件.</p>
<p >应用场景说明 :</p>
<p >1、播放 avi 视频(带音轨)</p>
<p >2、播放 avi 视频(不带音轨)</p>
<p >3、播放 wav 音频</p>
<p >1 与 3 互斥, 2 与 3 理论可同时进行, 但综合考虑实际应用场景与 MCU 处理能力(例如在PC上拼接视频与音轨可合成 1), 故此处将 2 与 3 设为互斥, 暂未添加对该需求的支持.</p>
<dl class="section attention"><dt>注意</dt><dd></dd></dl>
<p>THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN- -ECTION WITH THEIR PRODUCTS.</p>
<dl class="section copyright"><dt>版权所有</dt><dd>2012 Synwit Technology </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8h_source.html">load_mv.h</a> 中定义.</p>
</div><h2 class="groupheader">枚举类型说明</h2>
<a id="ab9806189ae8983878b4853db01912f47" name="ab9806189ae8983878b4853db01912f47"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab9806189ae8983878b4853db01912f47">&#9670;&#160;</a></span>lcd_layer_t</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>显示图层枚举(详见 swm341_lcd.h) </p>
<table class="fieldtable">
<tr><th colspan="2">枚举值</th></tr><tr><td class="fieldname"><a id="ab9806189ae8983878b4853db01912f47a007207a8bae3c327ad4531fa3e5fac93" name="ab9806189ae8983878b4853db01912f47a007207a8bae3c327ad4531fa3e5fac93"></a>LAYER_1_GUI&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="ab9806189ae8983878b4853db01912f47a385d7e8b722132d2e22f31b06e30be97" name="ab9806189ae8983878b4853db01912f47a385d7e8b722132d2e22f31b06e30be97"></a>LAYER_2_VIDEO&#160;</td><td class="fielddoc"></td></tr>
</table>

<p class="definition">在文件 <a class="el" href="load__mv_8h_source.html">load_mv.h</a> 第 <a class="el" href="load__mv_8h_source.html#l00041">41</a> 行定义.</p>

</div>
</div>
<h2 class="groupheader">函数说明</h2>
<a id="a4baf0d2c0d6e1fea0ddb9867c9747f8b" name="a4baf0d2c0d6e1fea0ddb9867c9747f8b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4baf0d2c0d6e1fea0ddb9867c9747f8b">&#9670;&#160;</a></span>mv_task_handler()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int mv_task_handler </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>音视频任务处理 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">==</td><td>0 : 运行 </td></tr>
    <tr><td class="paramname">&gt;</td><td>0 : 挂起 </td></tr>
    <tr><td class="paramname">&lt;</td><td>0 : 错误 </td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>本函数须轮询调用 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00211">211</a> 行定义.</p>
<div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a4baf0d2c0d6e1fea0ddb9867c9747f8b_cgraph.png" border="0" usemap="#aload__mv_8h_a4baf0d2c0d6e1fea0ddb9867c9747f8b_cgraph" alt=""/></div>
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<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a4baf0d2c0d6e1fea0ddb9867c9747f8b_icgraph.png" border="0" usemap="#aload__mv_8h_a4baf0d2c0d6e1fea0ddb9867c9747f8b_icgraph" alt=""/></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ab03d657977c16952b0a16e589fbd6e71">&#9670;&#160;</a></span>mv_task_over()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void mv_task_over </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>结束播放, 释放所占用的资源 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00224">224</a> 行定义.</p>
<div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
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<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_ab03d657977c16952b0a16e589fbd6e71_icgraph.png" border="0" usemap="#aload__mv_8h_ab03d657977c16952b0a16e589fbd6e71_icgraph" alt=""/></div>
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<a id="a7dd8d59698dc593d41250fc09a0ae5a5" name="a7dd8d59698dc593d41250fc09a0ae5a5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7dd8d59698dc593d41250fc09a0ae5a5">&#9670;&#160;</a></span>mv_task_init()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void mv_task_init </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>file_path</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>打开源文件启动播放 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">file_path</td><td>: 源文件绝对路径 </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00260">260</a> 行定义.</p>
<div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a7dd8d59698dc593d41250fc09a0ae5a5_cgraph.png" border="0" usemap="#aload__mv_8h_a7dd8d59698dc593d41250fc09a0ae5a5_cgraph" alt=""/></div>
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</div>
<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a7dd8d59698dc593d41250fc09a0ae5a5_icgraph.png" border="0" usemap="#aload__mv_8h_a7dd8d59698dc593d41250fc09a0ae5a5_icgraph" alt=""/></div>
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<a id="a2877cfdf885996dd8831a2a37660352d" name="a2877cfdf885996dd8831a2a37660352d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2877cfdf885996dd8831a2a37660352d">&#9670;&#160;</a></span>mv_task_pause()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void mv_task_pause </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>暂停播放 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>仅实现 音频 暂停/恢复 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00292">292</a> 行定义.</p>
<div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a2877cfdf885996dd8831a2a37660352d_cgraph.png" border="0" usemap="#aload__mv_8h_a2877cfdf885996dd8831a2a37660352d_cgraph" alt=""/></div>
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<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a2877cfdf885996dd8831a2a37660352d_icgraph.png" border="0" usemap="#aload__mv_8h_a2877cfdf885996dd8831a2a37660352d_icgraph" alt=""/></div>
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<a id="a913dfd46ff07efd13423f77b143fd156" name="a913dfd46ff07efd13423f77b143fd156"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a913dfd46ff07efd13423f77b143fd156">&#9670;&#160;</a></span>mv_task_resume()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void mv_task_resume </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>恢复播放 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>仅实现 音频 暂停/恢复 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00308">308</a> 行定义.</p>
<div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a913dfd46ff07efd13423f77b143fd156_cgraph.png" border="0" usemap="#aload__mv_8h_a913dfd46ff07efd13423f77b143fd156_cgraph" alt=""/></div>
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<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a913dfd46ff07efd13423f77b143fd156_icgraph.png" border="0" usemap="#aload__mv_8h_a913dfd46ff07efd13423f77b143fd156_icgraph" alt=""/></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a9cbedc9a40c34ca836f988cc88f5640f">&#9670;&#160;</a></span>lcd_set_alpha()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void lcd_set_alpha </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a>&#160;</td>
          <td class="paramname"><em>lcd_layer</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>alpha</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>设置图层透明度 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">lcd_layer</td><td>: 图层 </td></tr>
    <tr><td class="paramname">alpha</td><td>: 透明度 </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>图层 x 的 constant alpha，用于 blending。 Blending 公式： BC = (C * CONSTA + Cs * (255 - CONSTA))/255 BC: blended color C : current layer color Cs: subjacent layers blended color 有如下几种 blending 情况： 图层 1 和图层 2 都使能时：先将图层 1 和背景颜色进行 blending，然后将图层 2 和 blending 后的图层进行 blending。 图层 1 或图层 2 仅有一个图层使能时：将被使能的图层和背景颜色进行 blending。 两个图层都不使能时：仅显示背景色。 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00335">335</a> 行定义.</p>
<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a9cbedc9a40c34ca836f988cc88f5640f_icgraph.png" border="0" usemap="#aload__mv_8h_a9cbedc9a40c34ca836f988cc88f5640f_icgraph" alt=""/></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a6be0f2908cc5e6f47baae4138c8be510">&#9670;&#160;</a></span>lcd_set_color_key()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void lcd_set_color_key </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a>&#160;</td>
          <td class="paramname"><em>lcd_layer</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>color_key_enable</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>rgb</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>设置图层色键控 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">lcd_layer</td><td>: 图层 </td></tr>
    <tr><td class="paramname">color_key_enable</td><td>: 色键控使能 </td></tr>
    <tr><td class="paramname">rgb</td><td>: 按[R, G, B]排列 </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>LCD_FORMAT 优先于 Color Key 配置 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00351">351</a> 行定义.</p>

</div>
</div>
<a id="a26fdaf5976717811bbc2342599b1da4b" name="a26fdaf5976717811bbc2342599b1da4b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a26fdaf5976717811bbc2342599b1da4b">&#9670;&#160;</a></span>video_outset_format()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void video_outset_format </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>format</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>rgb565_dither</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>设置视频解码输出格式 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">format</td><td>: 解码输出格式，可取值JPEG_OUT_YUV、JPEG_OUT_YUVsp、JPEG_OUT_XRGB888、...详见 swm341_jpeg.h </td></tr>
    <tr><td class="paramname">rgb565_dither</td><td>: RGB565 dithering enable </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>仅 format 为 JPEG_OUT_RGB565 时, dither 有效 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00381">381</a> 行定义.</p>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a319fc11a86458ae8f312ba52f686483c">&#9670;&#160;</a></span>video_set_post()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void video_set_post </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="load__mv_8h.html#ab9806189ae8983878b4853db01912f47">lcd_layer_t</a>&#160;</td>
          <td class="paramname"><em>lcd_layer</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint16_t&#160;</td>
          <td class="paramname"><em>xs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint16_t&#160;</td>
          <td class="paramname"><em>ys</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>设置视频播放显示区域 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">lcd_layer</td><td>: 视频所用图层 </td></tr>
    <tr><td class="paramname">xs</td><td>: 起始位置(取值范围 0 ~ LCD_HDOT - 1) </td></tr>
    <tr><td class="paramname">ys</td><td>: 起始位置(取值范围 0 ~ LCD_VDOT - 1) </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>若该函数被调用时, 调用者须确保视频源有效(依赖 Avix 结构体), 若视频源无效, 则此函数不会完成任何动作 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00395">395</a> 行定义.</p>
<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_a319fc11a86458ae8f312ba52f686483c_icgraph.png" border="0" usemap="#aload__mv_8h_a319fc11a86458ae8f312ba52f686483c_icgraph" alt=""/></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a3ff08970bdf7f8e28122786eac11d6d3">&#9670;&#160;</a></span>video_set_loop()</h2>

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<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void video_set_loop </td>
          <td>(</td>
          <td class="paramtype">const uint32_t&#160;</td>
          <td class="paramname"><em>times</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const uint32_t&#160;</td>
          <td class="paramname"><em>max</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>设置视频循环播放次数 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">times</td><td>: 当前播放次数 </td></tr>
    <tr><td class="paramname">max</td><td>: 上限 </td></tr>
  </table>
  </dd>
</dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00431">431</a> 行定义.</p>
<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
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<h2 class="memtitle"><span class="permalink"><a href="#abe5464036c09e633ce1a409d40e11164">&#9670;&#160;</a></span>video_get_loop()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void video_get_loop </td>
          <td>(</td>
          <td class="paramtype">uint32_t *&#160;</td>
          <td class="paramname"><em>times</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t *&#160;</td>
          <td class="paramname"><em>max</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>获取视频循环播放次数 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">times</td><td>: 当前播放次数 </td></tr>
    <tr><td class="paramname">max</td><td>: 上限 </td></tr>
  </table>
  </dd>
</dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00442">442</a> 行定义.</p>
<div class="dynheader">
这是这个函数的调用关系图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_abe5464036c09e633ce1a409d40e11164_icgraph.png" border="0" usemap="#aload__mv_8h_abe5464036c09e633ce1a409d40e11164_icgraph" alt=""/></div>
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<area shape="rect" href="ui__event_8c.html#a40e95f44ce28a5bf2fb6a5d8cc725232" title="主桌面下 Home 页的 LOGO 按钮回调(视频)" alt="" coords="960,55,1111,80"/>
<area shape="rect" href="ui__event_8c.html#a4f51ebc6c5bd5d4bdc6e80e1d5b3f554" title="tabview 的事件回调" alt="" coords="974,104,1097,129"/>
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<h2 class="memtitle"><span class="permalink"><a href="#ab3b1a7d6c03074968fcdfa784fe8fe14">&#9670;&#160;</a></span>video_center_with_tp()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void video_center_with_tp </td>
          <td>(</td>
          <td class="paramtype">uint16_t&#160;</td>
          <td class="paramname"><em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint16_t&#160;</td>
          <td class="paramname"><em>y</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>视频中心跟随触摸移动 </p>
<dl class="params"><dt>参数</dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>: 触控中心 x 轴 </td></tr>
    <tr><td class="paramname">y</td><td>: 触控中心 y 轴 </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>返回值</dt><dd>
  <table class="retval">
    <tr><td class="paramname">/</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>注解</dt><dd>本函数默认只能调整区域视频, 对全屏播放视频无效(图层 1), 仅实现调整移动图层 2 位置 </dd></dl>

<p class="definition">在文件 <a class="el" href="load__mv_8c_source.html">load_mv.c</a> 第 <a class="el" href="load__mv_8c_source.html#l00458">458</a> 行定义.</p>
<div class="dynheader">
函数调用图:</div>
<div class="dyncontent">
<div class="center"><img src="load__mv_8h_ab3b1a7d6c03074968fcdfa784fe8fe14_cgraph.png" border="0" usemap="#aload__mv_8h_ab3b1a7d6c03074968fcdfa784fe8fe14_cgraph" alt=""/></div>
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<area shape="rect" title="视频中心跟随触摸移动" alt="" coords="5,5,148,31"/>
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</map>
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